5518479 has 4 divisors (see below), whose sum is σ = 7357976. Its totient is φ = 3678984.

The previous prime is 5518463. The next prime is 5518501. The reversal of 5518479 is 9748155.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5518479 - 2⁴ = 5518463 is a prime.

It is a super-2 number, since 2×5518479² = 60907220946882, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919744 + ... + 919749.

It is an arithmetic number, because the mean of its divisors is an integer number (1839494).

Almost surely, 2^5518479 is an apocalyptic number.

5518479 is a deficient number, since it is larger than the sum of its proper divisors (1839497).

5518479 is a wasteful number, since it uses less digits than its factorization.

5518479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839496.

The product of its digits is 50400, while the sum is 39.

The square root of 5518479 is about 2349.1443122976. The cubic root of 5518479 is about 176.7148845879.

The spelling of 5518479 in words is "five million, five hundred eighteen thousand, four hundred seventy-nine".